Sin(phi) azimuthal asymmetry in semi-inclusive electroproduction on longitudinally polarized nucleon
K. A. Oganessyan, H. R. Avakian, N. Bianchi, A. M. Kotzinian
Abstract
We investigate the sin ϕ azimuthal asymmetry in the semi-inclusive deep-inelastic lepton scattering off longitudinally polarized nucleon target arising from the time reversal odd structures. The order 1/Q contributions of the leading twist and twist-three distribution and fragmentation functions to that asymmetry for the certain kinematical conditions are numerically estimated.
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